WWTP management Articles
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Struvite Formation & Struvite Wastewater Treatment
The three chemical components for Struvite formation are magnesium, ammonia and phosphorus, also known as MAP for short. Struvite’s chemical formula is NH4MgPO4·6H2O. WWTP managers have used a number of different products and techniques for Struvite removal, and to prevent Struvite formation. Most text books on Struvite control talk about the use of ferric chloride (FeCl3) to control ...
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Project - Biogas Desulfurization - WWTP Chania
Bioconservacion, together with the Greek engineering company DIMTECH, is carrying out a biogas desulfurization project that aims to promote the use of energy from sludge digestion at the Chania WWTP, a wastewater treatment plant in a semi-arid area of the island of Crete, located near residential areas. The plant will be commissioned soon and will use BION Fe filter media as the active material ...
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Guidance Manual for First Nations Wastewater Treatment Plant Monitoring
XCG Consultants Ltd., was retained by Indian and Northern Affairs Canada (INAC) and the Ontario First NationsTechnical Services Corporation (OFNTSC) to prepare a guidance manual for First Nations wastewater treatmentplant monitoring. The Guidance Manual was prepared to provide Ontario First Nations’ Wastewater Treatment Plant(WWTP) management and operations staff with guidelines for designing and ...
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Digital transformation, key to improving operations in WWTPs
Integrating all data sources into a single environment is a fundamental step in the digital transformation of wastewater treatment plants to provide them with comprehensive control of all their processes, according to Idrica’s report “Digital transformation of WWTPs: key to a more sustainable future”. The most advanced digital transformation uses data to create, train and feed ...
By Idrica
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Basis for the development of sustainable optimisation indicators for activated sludge wastewater treatment plants in the Republic of Ireland
This paper describes the basis of a stakeholder-based sustainable optimisation indicator (SOI) system to be developed for small-to-medium sized activated sludge (AS) wastewater treatment plants (WwTPs) in the Republic of Ireland (ROI). Key technical publications relating to best practice plant operation, performance audits and optimisation, and indicator and benchmarking systems for wastewater ...
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Energetic flexibility on wastewater treatment plants
In the future, an additional potential of control reserve as well as storage capacities will be required to compensate fluctuating renewable energy availability. The operation of energy systems will change and flexibility in energy generation and consumption will rise to a valuable asset. Wastewater treatment plants (WWTPs) are capable of providing the flexibility needed, not only with their ...
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Linking sanitation and wastewater treatment: From evaluation on the basis of effluent pollutant concentrations to evaluation on the basis of pollutant removal efficiencies
In both developed and developing countries, centralised and on-site wastewater treatment systems have been developed for a long time. The main function of the wastewater treatment plants (WWTPs) should be removal of pollutants including organic carbon, nitrogen and phosphorus. Technologies applied to WWTPs are mostly with biological functions such as activated sludge, stabilization reservoir, ...
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Deodorization at waste water treatment plants - Case Study
The presence of microorganisms in wastewater causes a decrease in dissolved oxygen levels due consumption by the organisms’ metabolic processes. The more microorganisms there are, the greater the biological demand for oxygen. When this demand exceeds that which can be provided by the exchange of air, an anaerobic process begins, thus creating a reducing environment that favours the ...
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A case study for upgrading existing carousel process to achieve low effluent phosphorus discharges
In this study, Al–Qateef wastewater treatment plant was selected as a case representing the upgrade of carrousel technology with tertiary treatment. This technology is applied in many cities in the Eastern province, Kingdom of Saudi Arabia. The use of chemical treatment alternative for phosphorous removal was evaluated versus the newly implemented tertiary treatment unit. The study showed that ...
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Perspectives on greenhouse gas emission estimates based on Australian wastewater treatment plant operating data
Primary operating data were collected from forty-six wastewater treatment plants (WWTPs) located across three states within Australia. The size range of plants was indicatively from 500 to 900,000 person equivalents. Direct and indirect greenhouse gas emissions were calculated using a mass balance approach and default emission factors, based on Australia's National Greenhouse Energy ...
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Improving the microbiological quality of the Ruhr River near Essen: comparing costs and effects for the reduction of Escherichia coli and intestinal enterococci
After rain events in densely populated areas, combined sewer overflows (CSOs) can have severe health-related effects upon surface water quality, as well as diffuse overland runoff and wastewater treatment plants (WWTPs). All of these sources emit pathogens and fecal indicator bacteria into the surface water, which the EU Bathing Water Directive addresses by giving threshold values for the ...
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Linking sanitation and wastewater treatment: from evaluation on the basis of effluent pollutant concentrations to evaluation on the basis of pollutant removal efficiencies
The evaluation of centralised wastewater treatment plants (WWTPs) in planning and management is sometimes based solely on effluent pollutant concentrations or pollutant loads. For sanitation purposes, the effluent pollutant concentrations/loads of WWTPs are important; of course, but from the point of view of wastewater treatment, the pollutant removal performance should also be evaluated. ...
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Deodorization at Besos WWTP
The presence of microorganisms in wastewater causes a decrease in dissolved oxygen as it is consumed in their metabolism. The greater the number of microorganisms, the greater the biological demand for oxygen. When this demand exceeds that which can be provided by air exchange, then an anaerobic process begins, creating a reducing environment that favors the release of odor-causing compounds in ...
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Water Trends in automation for 2023: Improving operability and management
The water sector is set to play a pivotal role in combating climate change, with enhanced water management benefiting a whole host of areas such as health, energy, agriculture, food security and people’s livelihoods in general (UNESCO). Process automation is one of the most important trends for 2023 and is one of the promising alternatives hailed to improve the current water scenario. ...
By Idrica
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The six water technology trends for 2023, according to Idrica
Issues such as climate change and population growth will encourage the implementation of new technologies. Pre-emption and prevention, security, reuse, process automation, optimization and planning are the main technological challenges ahead for water management in 2023, according to Idrica. In 2025, around 3.5 billion people will be living in water-scarce areas, while water demand is set ...
By Idrica
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Filter Press, the best alternative to sludge dehydration
With the Filter Press we get to dehydrate the sludge, even reaching dryness of 35-40%. Taking into account that in a WWTP, the costs of sludge management, account for almost 70% of the total expenditure, it is important to have an equipment that achieves the maximum degree of dryness of the sludge, with consequent savings in the cost of management. With the filter press you get: Low energy ...
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Odor control in WWTPs
Controlling odor emissions at wastewater treatment plants (WWTPs) is a priority objective for management entities, in order to ensure the well-being of workers and minimize the impact these facilities have on the environment. Bioconservacion has the solution to treat the emission of odor-causing gases, ensuring compliance with environmental regulations and improving the quality of life of ...
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Effects of integrated stormwater management strategies on the combined sewer system and the wastewater treatment plant-river system
ABSTRACTThis is an investigation into possible changes to quantity and composition of sewage in the combined sewer system and the waste water treatment plant (WWTP) caused by new stormwater management strategies (mainly by disconnecting areas from the sewer system). Various scenarios were developed and the consequences on the water systems were calculated by using the simulation model KOSMO, in a ...
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Biogas desulphurisation at the Chania WWTP - Case Study
In partnership with Greek engineering firm DIMTECH, Bioconservacion is conducting a biogas desulphurisation project that aims to drive the harnessing of energy from the digestion of slurry at the WWTP in Chania - the plant where wastewater is treated within a semi-arid zone of Crete, located near residential areas. This facility will be going into operation soon and will use the Bi-On Fe ...
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A practical protocol for calibration of nutrient removal wastewater treatment models
Activated sludge models can be very useful for designing and managing wastewater treatment plants (WWTPs). However, as with every model, they need to be calibrated for correct and reliable application. Activated sludge model calibration is still a crucial point that needs appropriate guidance. Indeed, although calibration protocols have been developed, the model calibration still represents the ...
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